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- The results show that the differences of stability of surrounding rock mass are markable for dlfferent excavating sequences. 结果表明，不同的开挖顺序，对围岩的稳定性具有显著的影响。
- Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied. 摘要通过数值计算，研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
- Analysis of relationship between joint condition and stability of surrounding rock of openings and mining areas is completed. Using CSIR geomechanical classification method,assessment on rock mass quality in the mine is provided. 根据矿区工程地质、水文地质和节理裂隙发育调查统计资料 ,矿区地应力测量和矿岩岩石力学性质试验结果等 ,采用CSIR地质力学分类方法 ,对矿区分布的主要岩组进行的岩体质量分级评价。
- Distribution and transfusion of the geostatic pressure variate in company with mining space in underground mining.Different mining sequences bring about different stability of surrounding rock. 地下开采中地压分布与转移随开采空间变动而变动，不同的开采顺序会带来不同的围岩稳定性。
- The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and visco-elastic theory. 最后应用粘弹性理论,分析了锚注支护对具有流变特性围岩在维护其稳定性方面的作用。计算结果表明,锚注支护对维护破碎围岩的稳定具有显著效果。
- This system is applied to analyze the stability of surrounding rock in diversion tunnel of the Daliushu Hydro Project.The application shows that the system is effective and practical. 该评价方法被应用到黄河大柳树水电站导流洞围岩稳定性综合评价中，其结果得到了实际工程的检验，说明该方法有一定的适用价值。
- The results show that the cross-section shapes of roadways strongly influence the stability of surrounding rocks. 结果表明：断面形状对巷道围岩的稳定性有较大影响。
- stability of surrounding rock mass 围岩稳定
- The problems such as design of rockfill dam with high core wall, the stability of surrounding rocks and the design of spillway are the key to the project construction. 该工程高心墙堆石坝设计、地下厂房围岩稳定、溢洪道设计等问题是工程建设的关键问题。
- the stability of surrounding rock 围岩稳定性
- the stability of surrounding rock mass 围岩稳定性
- The influences of blasting vibration on the stability of surrounding rocks mass and concrete lining of existed adjacent chambers, or excavating tunnel and the grouted rockbolts are studied and analyzed in the thesis. 本文主要研究爆破振动对邻近地下洞室和本洞围岩稳定性、混凝土衬砌及砂浆锚杆的影响。
- By this way,not only the mesh generation of large underground chambers becomes relatively convenient and feasible,but also the influence of complex geologic faults on stability of surrounding rocks is reflected effectively. 使用这种隐含的断层单元,不但将受复杂断层切割的大型复杂地下洞室群的有限单元离散简单化,加快分析计算周期,而且能够有效地反映断层对复杂地下洞室围岩稳定的影响。
- stability of surroundings rock 围岩稳定性
- BACKWARD ANALYSIS ON STABILITY OF SURROUNDING ROCK OF CAVE 硐室的围岩稳定性反分析
- Stabilization of surrounding rock 围岩稳定性
- the stability of surrounding rocks 围岩稳定性
- Judging stability of surrounding rock based on volume expansion ratio 依据扩容率判断围岩的稳定状态
- Influence of initial stress field on stability of surrounding rock in chambers 初始地应力场对洞室围岩稳定性的影响
- In the interaction process of surround rocks and support,the roof beam suffers from loading and unloading experience. 在支架围岩相互作用过程中,支架顶梁有一个先承载后卸载的过程。
